Archives: Vertexify Teams

Sheryl Markowitz, MSW, LCSW, LISW-S Co-Founder, Principal Advisor Connect on LinkedIn Sheryl Markowitz is a senior healthcare executive with deep expertise in clinical operations, managed care, and large-scale organizational transformation. She has built and led high-performing teams across health plans and complex care environments, with a focus on quality, compliance, and sustainable growth. As Chief…

Mohamed Diab, MD, MBA Co-Founder, Principal Advisor Connect on LinkedIn Mohamed Diab is a physician executive and healthcare operator known for building and scaling value-based care organizations with both clinical and financial discipline. With experience leading large, complex businesses, he brings a rare combination of medical expertise, P&L ownership, and operational execution. Most recently, he…

Colleen Bevenour Co-Founder, Principal Advisor Connect on LinkedIn Colleen Bevenour is a senior healthcare strategist and execution advisor with more than 25 years of experience helping payer, provider, and life sciences organizations translate strategy into measurable results. Her work focuses on the critical intersection of strategy, operating model design, and leadership capability, particularly within complex…

Cassandra Toscano, MBA Co-Founder, Principal Advisor and CEO Connect on LinkedIn Cassandra Toscano is a healthcare executive and strategist with more than 20 years of experience leading population health, value-based care, and clinical operations transformation across national payer and provider organizations. She is known for translating complex strategy into scalable, high-performing care models that improve…